Table 1 Measurement data for the parameters for the indoor air quality and physical environment and comparison with relevant standards.

From: Revealing the widespread existence and serious adverse health consequences of low-price rental housing in urban villages in Xiamen, China

 

Parameter

n

Average

Max

Min

T/ASC 02–2016

PoE (%)

PE (%)

WELL v2TM

PoE (%)

PE (%)

Air quality (n = 20)

TVOC (ug/m3)

120

800

1600

500

600a

65.8

64.1

500

81.7

82.0

CO2 (ppm)

120

1213

1958

646

1000

68.3

38.7

900

74.2

50.4

PM2.5 (ug/m3)

120

70

216

10

75

37.5

36.3

25/75b

95.0

186.3

PM10 (ug/m3)

120

91

230

22

150

7.5

12.7

50/150b

85.8

99.1

Physical environment (n = 6)

Temperature (°C)

288

28.9

32.6

27.6

18–30

13.9

4.1

18–27c

100.0

7.1

Humidity (%)

288

71.3

78.5

61.6

40–80

0

0

30–60

100.0

18.9

Wind (m/s)

144

0.05

0.09

0.02

0.30a

100.0

−82.3

0.35l/s, m2c

–

–

Illumination (lx)

144

37.7

267

0.02

50.0

68.8

−86.5

204.4

98.6

−83.1

  1. n sample number, TVOC Total Volatile Organic Compounds, CO2 Carbon Dioxide, PM2.5 Fine Particulate Matter, PM10 Inhalable Particles.
  2. aFrom GB/T18883–2002: Indoor air quality standard.
  3. bEquivalent WHO global air quality guidelines.
  4. cFrom ISO 17772–1: Energy performance of buildings – Indoor environmental quality.
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